import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'
import settings from '@/settings'
import constRoute from './constRoute'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    noCache: true                if set true, the page will no be cached(default is false)
    affix: true                  if set true, the tag will affix in the tags-view
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

// 默认菜单部分 && 静态路由参考配置
// 动态路由下不用此配置
const constMenuRoutes = {
  path: '/',
  component: Layout,
  redirect: '/A',
  name: 'home',
  // 菜单部分
  children: [
    {
      path: '/A',
      component: () => import('@/views/pages/A/index'),
      name: 'A',
      icon: 'sec-icon-a-yonghuwode',
      meta: {
        title: 'A',
        icon: 'dashboard',
        affix: true
      },
      children: [
        {
          path: '/A1',
          'icon': 'sec-iconfont sec-icon-lousao',

          component: () => import('@/views/pages/A1/index'),
          name: 'A1',
          meta: {
            title: 'a1',
            icon: 'dashboard',
            affix: true
          }
        },
        {
          path: '/A2',
          'icon': 'sec-iconfont sec-icon-lousao',
          component: () => import('@/views/pages/A2/index'),
          name: 'A2',
          meta: {
            title: 'a2',
            icon: 'dashboard',
            affix: true
          }
        }
      ]

    }]
}
// 404 重定向
export const error404 = {
  path: '*',
  redirect: '/404',
  hidden: true
}
let defaultRouter = constRoute
// 静态路由下，添加默认配置项、去除登录路由配置
if (settings.routerType === 'static') {
  defaultRouter = defaultRouter.filter(item => {
    return item.path !== '/login'
  })
  defaultRouter.push(constMenuRoutes)
  defaultRouter.push(error404)
}
// 静态路由部分导出
export const constantRoutes = defaultRouter
/**
 * @description 404 页面转发
 * 匹配不到的路由默认跳转404
 */

const createRouter = () =>
  new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })

const router = createRouter()
// router.addRoutes(menuMap)
// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher
}

export default router
